-RH means you wear your glove on your right hand. It should be included at the end of the model number on your order.
Because it also means that you throw with your left hand, be sure Throws With Left Hand is shown in the cart.

This Limited Edition Heart of the Hide 11.25 inch baseball glove features a 1-piece closed web pattern, which is desired by infielders and positions that require players to use two hands to scoop the ball. Worn by countless Rawlings Gold Glove Award winners since 1958, the Heart of the Hide glove line set the standard by which fielder's glove are judged today. This new limited edition series features the best pro patterns and the highest-quality craftsmanship in the world. This series is designed to provide elite players with the pro-style glove they need to make their mark in the field.